Find IP IPv4 Network/Subnet and its host address ranges

What is an IPv4 IP address its network and host address ranges?

An IPv4 IP address is an address used in order to uniquely identify a device on an IP network. The address is made up of 32 binary bits, which can be divisible into a network portion and host portion with the help of a subnet mask. The 32 binary bits are broken into four octets (1 octet = 8 bits). Each octet is converted to decimal and separated by a period (dot).

How to Subnet IPv4? Its simple answer is that subnetting is the process of taking a network and splitting it into smaller networks, known as subnets. It's used to free up more public IPv4 addresses and segment networks for security and easier management.
Following are the ranges of IPv4 subnet/network address and their host addresses.

IPv4 AddressIPv6 Address
166.90.245.1 0:0:0:0:0:ffff:a65a:f501
166.90.245.2 0:0:0:0:0:ffff:a65a:f502
166.90.245.3 0:0:0:0:0:ffff:a65a:f503
166.90.245.4 0:0:0:0:0:ffff:a65a:f504
166.90.245.5 0:0:0:0:0:ffff:a65a:f505
166.90.245.6 0:0:0:0:0:ffff:a65a:f506
166.90.245.7 0:0:0:0:0:ffff:a65a:f507
166.90.245.8 0:0:0:0:0:ffff:a65a:f508
166.90.245.9 0:0:0:0:0:ffff:a65a:f509
166.90.245.10 0:0:0:0:0:ffff:a65a:f50a
166.90.245.11 0:0:0:0:0:ffff:a65a:f50b
166.90.245.12 0:0:0:0:0:ffff:a65a:f50c
166.90.245.13 0:0:0:0:0:ffff:a65a:f50d
166.90.245.14 0:0:0:0:0:ffff:a65a:f50e
166.90.245.15 0:0:0:0:0:ffff:a65a:f50f
166.90.245.16 0:0:0:0:0:ffff:a65a:f510
166.90.245.17 0:0:0:0:0:ffff:a65a:f511
166.90.245.18 0:0:0:0:0:ffff:a65a:f512
166.90.245.19 0:0:0:0:0:ffff:a65a:f513
166.90.245.20 0:0:0:0:0:ffff:a65a:f514
166.90.245.21 0:0:0:0:0:ffff:a65a:f515
166.90.245.22 0:0:0:0:0:ffff:a65a:f516
166.90.245.23 0:0:0:0:0:ffff:a65a:f517
166.90.245.24 0:0:0:0:0:ffff:a65a:f518
166.90.245.25 0:0:0:0:0:ffff:a65a:f519
166.90.245.26 0:0:0:0:0:ffff:a65a:f51a
166.90.245.27 0:0:0:0:0:ffff:a65a:f51b
166.90.245.28 0:0:0:0:0:ffff:a65a:f51c
166.90.245.29 0:0:0:0:0:ffff:a65a:f51d
166.90.245.30 0:0:0:0:0:ffff:a65a:f51e
166.90.245.31 0:0:0:0:0:ffff:a65a:f51f
166.90.245.32 0:0:0:0:0:ffff:a65a:f520
166.90.245.33 0:0:0:0:0:ffff:a65a:f521
166.90.245.34 0:0:0:0:0:ffff:a65a:f522
166.90.245.35 0:0:0:0:0:ffff:a65a:f523
166.90.245.36 0:0:0:0:0:ffff:a65a:f524
166.90.245.37 0:0:0:0:0:ffff:a65a:f525
166.90.245.38 0:0:0:0:0:ffff:a65a:f526
166.90.245.39 0:0:0:0:0:ffff:a65a:f527
166.90.245.40 0:0:0:0:0:ffff:a65a:f528
166.90.245.41 0:0:0:0:0:ffff:a65a:f529
166.90.245.42 0:0:0:0:0:ffff:a65a:f52a
166.90.245.43 0:0:0:0:0:ffff:a65a:f52b
166.90.245.44 0:0:0:0:0:ffff:a65a:f52c
166.90.245.45 0:0:0:0:0:ffff:a65a:f52d
166.90.245.46 0:0:0:0:0:ffff:a65a:f52e
166.90.245.47 0:0:0:0:0:ffff:a65a:f52f
166.90.245.48 0:0:0:0:0:ffff:a65a:f530
166.90.245.49 0:0:0:0:0:ffff:a65a:f531
166.90.245.50 0:0:0:0:0:ffff:a65a:f532
166.90.245.51 0:0:0:0:0:ffff:a65a:f533
166.90.245.52 0:0:0:0:0:ffff:a65a:f534
166.90.245.53 0:0:0:0:0:ffff:a65a:f535
166.90.245.54 0:0:0:0:0:ffff:a65a:f536
166.90.245.55 0:0:0:0:0:ffff:a65a:f537
166.90.245.56 0:0:0:0:0:ffff:a65a:f538
166.90.245.57 0:0:0:0:0:ffff:a65a:f539
166.90.245.58 0:0:0:0:0:ffff:a65a:f53a
166.90.245.59 0:0:0:0:0:ffff:a65a:f53b
166.90.245.60 0:0:0:0:0:ffff:a65a:f53c


166.90.245.61 0:0:0:0:0:ffff:a65a:f53d
166.90.245.62 0:0:0:0:0:ffff:a65a:f53e
166.90.245.63 0:0:0:0:0:ffff:a65a:f53f
166.90.245.64 0:0:0:0:0:ffff:a65a:f540
166.90.245.65 0:0:0:0:0:ffff:a65a:f541
166.90.245.66 0:0:0:0:0:ffff:a65a:f542
166.90.245.67 0:0:0:0:0:ffff:a65a:f543
166.90.245.68 0:0:0:0:0:ffff:a65a:f544
166.90.245.69 0:0:0:0:0:ffff:a65a:f545
166.90.245.70 0:0:0:0:0:ffff:a65a:f546
166.90.245.71 0:0:0:0:0:ffff:a65a:f547
166.90.245.72 0:0:0:0:0:ffff:a65a:f548
166.90.245.73 0:0:0:0:0:ffff:a65a:f549
166.90.245.74 0:0:0:0:0:ffff:a65a:f54a
166.90.245.75 0:0:0:0:0:ffff:a65a:f54b
166.90.245.76 0:0:0:0:0:ffff:a65a:f54c
166.90.245.77 0:0:0:0:0:ffff:a65a:f54d
166.90.245.78 0:0:0:0:0:ffff:a65a:f54e
166.90.245.79 0:0:0:0:0:ffff:a65a:f54f
166.90.245.80 0:0:0:0:0:ffff:a65a:f550
166.90.245.81 0:0:0:0:0:ffff:a65a:f551
166.90.245.82 0:0:0:0:0:ffff:a65a:f552
166.90.245.83 0:0:0:0:0:ffff:a65a:f553
166.90.245.84 0:0:0:0:0:ffff:a65a:f554
166.90.245.85 0:0:0:0:0:ffff:a65a:f555
166.90.245.86 0:0:0:0:0:ffff:a65a:f556
166.90.245.87 0:0:0:0:0:ffff:a65a:f557
166.90.245.88 0:0:0:0:0:ffff:a65a:f558
166.90.245.89 0:0:0:0:0:ffff:a65a:f559
166.90.245.90 0:0:0:0:0:ffff:a65a:f55a
166.90.245.91 0:0:0:0:0:ffff:a65a:f55b
166.90.245.92 0:0:0:0:0:ffff:a65a:f55c
166.90.245.93 0:0:0:0:0:ffff:a65a:f55d
166.90.245.94 0:0:0:0:0:ffff:a65a:f55e
166.90.245.95 0:0:0:0:0:ffff:a65a:f55f
166.90.245.96 0:0:0:0:0:ffff:a65a:f560
166.90.245.97 0:0:0:0:0:ffff:a65a:f561
166.90.245.98 0:0:0:0:0:ffff:a65a:f562
166.90.245.99 0:0:0:0:0:ffff:a65a:f563
166.90.245.100 0:0:0:0:0:ffff:a65a:f564
166.90.245.101 0:0:0:0:0:ffff:a65a:f565
166.90.245.102 0:0:0:0:0:ffff:a65a:f566
166.90.245.103 0:0:0:0:0:ffff:a65a:f567
166.90.245.104 0:0:0:0:0:ffff:a65a:f568
166.90.245.105 0:0:0:0:0:ffff:a65a:f569
166.90.245.106 0:0:0:0:0:ffff:a65a:f56a
166.90.245.107 0:0:0:0:0:ffff:a65a:f56b
166.90.245.108 0:0:0:0:0:ffff:a65a:f56c
166.90.245.109 0:0:0:0:0:ffff:a65a:f56d
166.90.245.110 0:0:0:0:0:ffff:a65a:f56e
166.90.245.111 0:0:0:0:0:ffff:a65a:f56f
166.90.245.112 0:0:0:0:0:ffff:a65a:f570
166.90.245.113 0:0:0:0:0:ffff:a65a:f571
166.90.245.114 0:0:0:0:0:ffff:a65a:f572
166.90.245.115 0:0:0:0:0:ffff:a65a:f573
166.90.245.116 0:0:0:0:0:ffff:a65a:f574
166.90.245.117 0:0:0:0:0:ffff:a65a:f575
166.90.245.118 0:0:0:0:0:ffff:a65a:f576
166.90.245.119 0:0:0:0:0:ffff:a65a:f577
166.90.245.120 0:0:0:0:0:ffff:a65a:f578


166.90.245.121 0:0:0:0:0:ffff:a65a:f579
166.90.245.122 0:0:0:0:0:ffff:a65a:f57a
166.90.245.123 0:0:0:0:0:ffff:a65a:f57b
166.90.245.124 0:0:0:0:0:ffff:a65a:f57c
166.90.245.125 0:0:0:0:0:ffff:a65a:f57d
166.90.245.126 0:0:0:0:0:ffff:a65a:f57e
166.90.245.127 0:0:0:0:0:ffff:a65a:f57f
166.90.245.128 0:0:0:0:0:ffff:a65a:f580
166.90.245.129 0:0:0:0:0:ffff:a65a:f581
166.90.245.130 0:0:0:0:0:ffff:a65a:f582
166.90.245.131 0:0:0:0:0:ffff:a65a:f583
166.90.245.132 0:0:0:0:0:ffff:a65a:f584
166.90.245.133 0:0:0:0:0:ffff:a65a:f585
166.90.245.134 0:0:0:0:0:ffff:a65a:f586
166.90.245.135 0:0:0:0:0:ffff:a65a:f587
166.90.245.136 0:0:0:0:0:ffff:a65a:f588
166.90.245.137 0:0:0:0:0:ffff:a65a:f589
166.90.245.138 0:0:0:0:0:ffff:a65a:f58a
166.90.245.139 0:0:0:0:0:ffff:a65a:f58b
166.90.245.140 0:0:0:0:0:ffff:a65a:f58c
166.90.245.141 0:0:0:0:0:ffff:a65a:f58d
166.90.245.142 0:0:0:0:0:ffff:a65a:f58e
166.90.245.143 0:0:0:0:0:ffff:a65a:f58f
166.90.245.144 0:0:0:0:0:ffff:a65a:f590
166.90.245.145 0:0:0:0:0:ffff:a65a:f591
166.90.245.146 0:0:0:0:0:ffff:a65a:f592
166.90.245.147 0:0:0:0:0:ffff:a65a:f593
166.90.245.148 0:0:0:0:0:ffff:a65a:f594
166.90.245.149 0:0:0:0:0:ffff:a65a:f595
166.90.245.150 0:0:0:0:0:ffff:a65a:f596
166.90.245.151 0:0:0:0:0:ffff:a65a:f597
166.90.245.152 0:0:0:0:0:ffff:a65a:f598
166.90.245.153 0:0:0:0:0:ffff:a65a:f599
166.90.245.154 0:0:0:0:0:ffff:a65a:f59a
166.90.245.155 0:0:0:0:0:ffff:a65a:f59b
166.90.245.156 0:0:0:0:0:ffff:a65a:f59c
166.90.245.157 0:0:0:0:0:ffff:a65a:f59d
166.90.245.158 0:0:0:0:0:ffff:a65a:f59e
166.90.245.159 0:0:0:0:0:ffff:a65a:f59f
166.90.245.160 0:0:0:0:0:ffff:a65a:f5a0
166.90.245.161 0:0:0:0:0:ffff:a65a:f5a1
166.90.245.162 0:0:0:0:0:ffff:a65a:f5a2
166.90.245.163 0:0:0:0:0:ffff:a65a:f5a3
166.90.245.164 0:0:0:0:0:ffff:a65a:f5a4
166.90.245.165 0:0:0:0:0:ffff:a65a:f5a5
166.90.245.166 0:0:0:0:0:ffff:a65a:f5a6
166.90.245.167 0:0:0:0:0:ffff:a65a:f5a7
166.90.245.168 0:0:0:0:0:ffff:a65a:f5a8
166.90.245.169 0:0:0:0:0:ffff:a65a:f5a9
166.90.245.170 0:0:0:0:0:ffff:a65a:f5aa
166.90.245.171 0:0:0:0:0:ffff:a65a:f5ab
166.90.245.172 0:0:0:0:0:ffff:a65a:f5ac
166.90.245.173 0:0:0:0:0:ffff:a65a:f5ad
166.90.245.174 0:0:0:0:0:ffff:a65a:f5ae
166.90.245.175 0:0:0:0:0:ffff:a65a:f5af
166.90.245.176 0:0:0:0:0:ffff:a65a:f5b0
166.90.245.177 0:0:0:0:0:ffff:a65a:f5b1
166.90.245.178 0:0:0:0:0:ffff:a65a:f5b2
166.90.245.179 0:0:0:0:0:ffff:a65a:f5b3
166.90.245.180 0:0:0:0:0:ffff:a65a:f5b4


166.90.245.181 0:0:0:0:0:ffff:a65a:f5b5
166.90.245.182 0:0:0:0:0:ffff:a65a:f5b6
166.90.245.183 0:0:0:0:0:ffff:a65a:f5b7
166.90.245.184 0:0:0:0:0:ffff:a65a:f5b8
166.90.245.185 0:0:0:0:0:ffff:a65a:f5b9
166.90.245.186 0:0:0:0:0:ffff:a65a:f5ba
166.90.245.187 0:0:0:0:0:ffff:a65a:f5bb
166.90.245.188 0:0:0:0:0:ffff:a65a:f5bc
166.90.245.189 0:0:0:0:0:ffff:a65a:f5bd
166.90.245.190 0:0:0:0:0:ffff:a65a:f5be
166.90.245.191 0:0:0:0:0:ffff:a65a:f5bf
166.90.245.192 0:0:0:0:0:ffff:a65a:f5c0
166.90.245.193 0:0:0:0:0:ffff:a65a:f5c1
166.90.245.194 0:0:0:0:0:ffff:a65a:f5c2
166.90.245.195 0:0:0:0:0:ffff:a65a:f5c3
166.90.245.196 0:0:0:0:0:ffff:a65a:f5c4
166.90.245.197 0:0:0:0:0:ffff:a65a:f5c5
166.90.245.198 0:0:0:0:0:ffff:a65a:f5c6
166.90.245.199 0:0:0:0:0:ffff:a65a:f5c7
166.90.245.200 0:0:0:0:0:ffff:a65a:f5c8
166.90.245.201 0:0:0:0:0:ffff:a65a:f5c9
166.90.245.202 0:0:0:0:0:ffff:a65a:f5ca
166.90.245.203 0:0:0:0:0:ffff:a65a:f5cb
166.90.245.204 0:0:0:0:0:ffff:a65a:f5cc
166.90.245.205 0:0:0:0:0:ffff:a65a:f5cd
166.90.245.206 0:0:0:0:0:ffff:a65a:f5ce
166.90.245.207 0:0:0:0:0:ffff:a65a:f5cf
166.90.245.208 0:0:0:0:0:ffff:a65a:f5d0
166.90.245.209 0:0:0:0:0:ffff:a65a:f5d1
166.90.245.210 0:0:0:0:0:ffff:a65a:f5d2
166.90.245.211 0:0:0:0:0:ffff:a65a:f5d3
166.90.245.212 0:0:0:0:0:ffff:a65a:f5d4
166.90.245.213 0:0:0:0:0:ffff:a65a:f5d5
166.90.245.214 0:0:0:0:0:ffff:a65a:f5d6
166.90.245.215 0:0:0:0:0:ffff:a65a:f5d7
166.90.245.216 0:0:0:0:0:ffff:a65a:f5d8
166.90.245.217 0:0:0:0:0:ffff:a65a:f5d9
166.90.245.218 0:0:0:0:0:ffff:a65a:f5da
166.90.245.219 0:0:0:0:0:ffff:a65a:f5db
166.90.245.220 0:0:0:0:0:ffff:a65a:f5dc
166.90.245.221 0:0:0:0:0:ffff:a65a:f5dd
166.90.245.222 0:0:0:0:0:ffff:a65a:f5de
166.90.245.223 0:0:0:0:0:ffff:a65a:f5df
166.90.245.224 0:0:0:0:0:ffff:a65a:f5e0
166.90.245.225 0:0:0:0:0:ffff:a65a:f5e1
166.90.245.226 0:0:0:0:0:ffff:a65a:f5e2
166.90.245.227 0:0:0:0:0:ffff:a65a:f5e3
166.90.245.228 0:0:0:0:0:ffff:a65a:f5e4
166.90.245.229 0:0:0:0:0:ffff:a65a:f5e5
166.90.245.230 0:0:0:0:0:ffff:a65a:f5e6
166.90.245.231 0:0:0:0:0:ffff:a65a:f5e7
166.90.245.232 0:0:0:0:0:ffff:a65a:f5e8
166.90.245.233 0:0:0:0:0:ffff:a65a:f5e9
166.90.245.234 0:0:0:0:0:ffff:a65a:f5ea
166.90.245.235 0:0:0:0:0:ffff:a65a:f5eb
166.90.245.236 0:0:0:0:0:ffff:a65a:f5ec
166.90.245.237 0:0:0:0:0:ffff:a65a:f5ed
166.90.245.238 0:0:0:0:0:ffff:a65a:f5ee
166.90.245.239 0:0:0:0:0:ffff:a65a:f5ef
166.90.245.240 0:0:0:0:0:ffff:a65a:f5f0
166.90.245.241 0:0:0:0:0:ffff:a65a:f5f1
166.90.245.242 0:0:0:0:0:ffff:a65a:f5f2
166.90.245.243 0:0:0:0:0:ffff:a65a:f5f3
166.90.245.244 0:0:0:0:0:ffff:a65a:f5f4
166.90.245.245 0:0:0:0:0:ffff:a65a:f5f5
166.90.245.246 0:0:0:0:0:ffff:a65a:f5f6
166.90.245.247 0:0:0:0:0:ffff:a65a:f5f7
166.90.245.248 0:0:0:0:0:ffff:a65a:f5f8
166.90.245.249 0:0:0:0:0:ffff:a65a:f5f9
166.90.245.250 0:0:0:0:0:ffff:a65a:f5fa
166.90.245.251 0:0:0:0:0:ffff:a65a:f5fb
166.90.245.252 0:0:0:0:0:ffff:a65a:f5fc
166.90.245.253 0:0:0:0:0:ffff:a65a:f5fd
166.90.245.254 0:0:0:0:0:ffff:a65a:f5fe
166.90.245.255 0:0:0:0:0:ffff:a65a:f5ff


How we got IPv4 subnet masks?

An IPv4 subnet mask consists of 32 bits; it is a sequence of ones (1) followed by a block of zeros (0). The ones indicate bits in the address used for the network prefix and the trailing block of zeros designates that part as being the host identifier.